Use when adding new functionality to existing code. Use when tempted to add if/else or switch branches. Use when...
Development
Code generation, debugging, testing, and development workflows
3,514 Skills
Use when working with API keys, passwords, or credentials. Use when asked to hardcode secrets. Use when secrets might leak.
Use when component does too many things. Use when mixing data fetching, logic, and presentation. Use when code is...
Use when creating or modifying classes, modules, or functions. Use when feeling pressure to add functionality to...
Always active. Tracks usage of code-craft skills across sessions. Log skill applications to enable analytics and...
Use when implementing any new feature or function. Use when asked to "add tests later". Use when writing code before tests.
Use when writing tests that share state. Use when tests depend on other tests. Use when test order matters.
Generates architecture diagrams from code, infrastructure, or descriptions. Use when user asks to visualize,...
Generates architecture diagrams from Terraform code. Use when user has .tf files or asks to visualize Terraform...
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when...
Binding audio analysis data to visual parameters including smoothing, beat detection responses, and...
Backend development guidelines for Node.js/Express/TypeScript applications. Layered architecture (Routes →...
Use when starting any feature, project, or design work. Guides collaborative design refinement through incremental...
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having...
Comprehensive React component library with 30+ production-ready components using shadcn/ui architecture, CVA...
Production-ready React form patterns using React Hook Form (default) and TanStack Form with Zod integration. Use...
Router for web form development. Use when creating forms, handling validation, user input, or data entry across...
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading,...
GSAP integration with React including useGSAP hook, ref handling, cleanup patterns, and context management. Use when...
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to...
Bloom and glow effects using Three.js UnrealBloomPass with React Three Fiber. Use when implementing glow, bloom,...
React Three Fiber core setup, Canvas configuration, scene hierarchy, camera systems, lighting, render loop, and...
Decision framework for React Three Fiber projects. Routes to specialized R3F skills (fundamentals, geometry,...
GLSL shader fundamentals—vertex and fragment shaders, uniforms, varyings, attributes, coordinate systems, built-in...